The orchid Dendrobium Sarah Jane is a hybrid registered with the Royal Horticultural Society by W.T.Upton in 1991.
Top three species ancestors and their influences are

• Dendrobium jonesii (50.00%)  section: Dendrocoryne 
• Dendrobium speciosum (25.00%)
• Dendrobium bigibbum (12.50%)  section: Phalaenanthe